[参考译文] TCAN4550-Q1：正常使用1到3小时后、无法发送数据

大家好、 Jonathan Nerger：
我们的器件在 Linux5.10上运行、并使用 mCAN 驱动程序、下面是关于 tcan4550的 devicetree。

/* spi0 */
&spi0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&spi0m1_pins &spi0m1_cs0 &spi0m1_cs1>;
	num-cs = <2>;
	max-freq = <18000000>;
	tcan4x5x0: tcan4x5x@0{
		compatible = "ti,tcan4x5x";
		status = "okay";
		reg = <0>;
		#address-cells = <1>;
		#size-cells = <1>;
		spi-max-frequency = <18000000>;
		pinctrl-0 = <&can0_int_rst>;
		interrupt-parent = <&gpio2>;
		interrupts = <RK_PC3 IRQ_TYPE_LEVEL_LOW>;
		bosch,mram-cfg = <0x0 0 0 16 0 0 1 1>;
		reset-gpios = <&gpio2 RK_PB4 GPIO_ACTIVE_HIGH>;
		spi-msb-first;
	};
	tcan4x5x1: tcan4x5x@1{
		compatible = "ti,tcan4x5x";
		status = "okay";
		reg = <1>;
		#address-cells = <1>;
		#size-cells = <1>;
		spi-max-frequency = <18000000>;
		pinctrl-0 = <&can1_int_rst>;
		interrupt-parent = <&gpio2>;
		interrupts = <RK_PC5 IRQ_TYPE_LEVEL_LOW>;
		bosch,mram-cfg = <0x0 0 0 16 0 0 1 1>;
		reset-gpios = <&gpio2 RK_PC4 GPIO_ACTIVE_HIGH>;
		spi-msb-first;
	};
};

&pinctrl {
	spi-can { 
		can0_int_rst: can0-int-rst {
			rockchip,pins = <2 RK_PC3 RK_FUNC_GPIO &pcfg_pull_up>,
							<2 RK_PB4 RK_FUNC_GPIO &pcfg_pull_down_drv_level_15>; 
		};
		can1_int_rst: can1-int-rst { 
			rockchip,pins = <2 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>,
							<2 RK_PC4 RK_FUNC_GPIO &pcfg_pull_down_drv_level_15>; 
		}; 
	};
};